Follow the spec in disallow function declarations without a name. We...

test/mjsunit/debug-compile-event.js

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 84 matching lines @@
     exception = e
   }
 };
 
 
 // Add the debug event listener.
 Debug.setListener(listener);
 
 // Compile different sources.
 compileSource('a=1');
-compileSource('function(){}');
+compileSource('(function(){})');
 compileSource('eval("a=2")');
 source_count++;  // Using eval causes additional compilation event.
-compileSource('eval("eval(\'function(){return a;}\')")');
+compileSource('eval("eval(\'(function(){return a;})\')")');
 source_count += 2;  // Using eval causes additional compilation event.
 compileSource('JSON.parse("{a:1,b:2}")');
 source_count++;  // Using JSON.parse causes additional compilation event.
 
 // Make sure that the debug event listener was invoked.
 assertFalse(exception, "exception in listener")
 
 // Number of before and after compile events should be the same.
 assertEquals(before_compile_count, after_compile_count);
 
 // Check the actual number of events (no compilation through the API as all
 // source compiled through eval except for one JSON.parse call).
 assertEquals(source_count, after_compile_count);
 assertEquals(0, host_compilations);
 assertEquals(source_count - 1, eval_compilations);
 assertEquals(1, json_compilations);
 
 Debug.setListener(null);